I was trying -O2 -g -ftree-vectorize while bootstrapping and ran into this. Reduced testcase: struct pred_data { unsigned char codes[((int) 100)]; }; void compute_predicate_codes (char *codes, struct pred_data *p) { int i; for (i = 0;i < ((int) 100);i++) codes[i] = p->codes[i] ? 2 : 0; }
---------- This does not happen with -m32. -- Summary: [4.1 Regression] ICE with -ftree-vectorize -O2 Product: gcc Version: 4.1.0 Status: UNCONFIRMED Keywords: ice-on-valid-code, build Severity: normal Priority: P2 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pinskia at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24059